Seiko Cal. 4422 - 461

The Seiko 4422-461 represents an important milestone in Seiko's 1971 lineup. Powered by the 4422 caliber with 28j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-e1c3c1270e9b]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1971

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